István Dobó was a Hungarian military leader known for his role in the defense of the castle of Eger during the Ottoman Empire's siege in 1552. He was born around 1500 and became a prominent figure in the fight against Ottoman expansion in Hungary. His leadership and strategic skills were crucial in rallying the defenders and organizing the resistance against a much larger enemy force. Dobó's successful defense of Eger not only protected the castle but also became a symbol of Hungarian resistance. His actions inspired future generations and contributed to the national identity of Hungary. After the siege, he continued to serve in various military roles until his death in 1572.